AD9640-105EBZ Просмотр технического описания (PDF) - Analog Devices

Номер в каталоге

Компоненты Описание

производитель

AD9640-105EBZ

14-Bit, 80/105/125/150 MSPS, 1.8 V Dual Analog-to-Digital Converter

Analog Devices 

AD9640

TABLE OF CONTENTS

Features .............................................................................................. 1

Applications....................................................................................... 1

Functional Block Diagram .............................................................. 1

Product Highlights ........................................................................... 1

Revision History ............................................................................... 3

General Description ......................................................................... 4

Specifications..................................................................................... 5

ADC DC Specifications—AD9640ABCPZ-80,

AD9640BCPZ-80, AD9640ABCPZ-105, and

AD9640BCPZ-105......................................................................... 5

ADC DC Specifications—AD9640ABCPZ-125,

AD9640BCPZ-125, AD9640ABCPZ-150, and

AD9640BCPZ-150......................................................................... 6

ADC AC Specifications—AD9640ABCPZ-80,

AD9640BCPZ-80, AD9640ABCPZ-105, and

AD9640BCPZ-105......................................................................... 7

ADC AC Specifications—AD9640ABCPZ-125,

AD9640BCPZ-125, AD9640ABCPZ-150, and

AD9640BCPZ 150 ......................................................................... 8

Digital Specifications ................................................................... 9

Switching Specifications—AD9640ABCPZ-80,

AD9640BCPZ-80, AD9640ABCPZ-105, and

AD9640BCPZ-105 ..................................................................... 10

Switching Specifications—AD9640ABCPZ-125,

AD9640BCPZ-125, AD9640ABCPZ-150, and

AD9640BCPZ-150 ..................................................................... 11

Timing Specifications ................................................................ 12

Absolute Maximum Ratings.......................................................... 14

Thermal Characteristics ............................................................ 14

ESD Caution................................................................................ 14

Pin Configurations and Function Descriptions ......................... 15

Equivalent Circuits ......................................................................... 19

Typical Performance Characteristics ........................................... 20

Theory of Operation ...................................................................... 25

ADC Architecture ...................................................................... 25

Analog Input Considerations.................................................... 25

Voltage Reference ....................................................................... 27

Clock Input Considerations...................................................... 28

Power Dissipation and Standby Mode .................................... 30

Digital Outputs ........................................................................... 31

Timing ......................................................................................... 31

ADC Overrange and Gain Control.............................................. 32

Fast Detect Overview................................................................. 32

ADC Fast Magnitude ................................................................. 32

ADC Overrange (OR)................................................................ 33

Gain Switching............................................................................ 33

Signal Monitor ................................................................................ 35

Peak Detector Mode................................................................... 35

RMS/MS Magnitude Mode......................................................... 35

Threshold Crossing Mode......................................................... 36

Additional Control Bits ............................................................. 36

DC Correction ............................................................................ 36

Signal Monitor SPORT Output ................................................ 37

Built-In Self-Test (BIST) and Output Test .................................. 38

Built-In Self-Test (BIST)............................................................ 38

Output Test Modes..................................................................... 38

Channel/Chip Synchronization.................................................... 39

Serial Port Interface (SPI).............................................................. 40

Configuration Using the SPI..................................................... 40

Hardware Interface..................................................................... 40

Configuration Without the SPI ................................................ 41

SPI Accessible Features.............................................................. 41

Memory Map .................................................................................. 42

Reading the Memory Map Table.............................................. 42

External Memory Map .............................................................. 43

Memory Map Register Description ......................................... 46

Applications Information .............................................................. 49

Design Guidelines ...................................................................... 49

Outline Dimensions ....................................................................... 50

Ordering Guide .......................................................................... 51

Rev. B | Page 2 of 52

Share Link: